30395925 has 72 divisors (see below), whose sum is σ = 65025600. Its totient is φ = 13880160.

The previous prime is 30395917. The next prime is 30395929. The reversal of 30395925 is 52959303.

30395925 is a `hidden beast` number, since 30 + 39 + 592 + 5 = 666.

It is not a de Polignac number, because 30395925 - 2³ = 30395917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30395925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30395929) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 32616 + ... + 33534.

Almost surely, 2^30395925 is an apocalyptic number.

30395925 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30395925 is the 2757-th decagonal number.

It is an amenable number.

30395925 is an abundant number, since it is smaller than the sum of its proper divisors (34629675).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30395925 is a wasteful number, since it uses less digits than its factorization.

30395925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 36.

The square root of 30395925 is about 5513.2499489865. The cubic root of 30395925 is about 312.0842043434.

The spelling of 30395925 in words is "thirty million, three hundred ninety-five thousand, nine hundred twenty-five".